The Components submenu contains operations which work on individual color components or where you can combine or separate these components.
第 8.22 节 “Channel Mixer”
第 8.23 节 “Extract Component”
第 8.24 节 “Mono Mixer”
第 8.25 节 “组合”
第 8.26 节 “分解”
第 8.27 节 “Recompose”
You can access this command from the main menu through Colors → Components.